Mine detail: Usamu Utsumi Mine

Previously called 'Cercado and Agostinho DepositsPlanalto De Pocos De Caldas'

<< Back to the map

Location

Lat / long:

-21.94773, -46.4826

Resource(M)

Primary:	Uranium
Secondary:	Molybdenum, Zirconium
Ore:	Coffinite, Galena, Ilsemannite, Jordisite, Molybdenite, Pyrite, Sphalerite, Uraninite, Zircon
Gangue:	Fluorite
Orebody form:	LENSES
Discovery year:	1952

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Producer
First production started:	1982

Geology

Host rock:	Pocos De Caldas Alkaline Complex;Pocos De Caldas Alkaline Complex;Pocos De Caldas Alkaline Complex;Pocos De Caldas Alkaline Complex;Pocos De Caldas Alkaline Complex;Pocos De Caldas Alkaline Complex;Pocos De Caldas Alkaline Complex
Host type:	Nepheline Syenite
Structure:	Pocos De Caldas Alkaline Ring Complex
Alteration processes:	Potassic, Oxidation

References

MRDS	TC42777
DEP	10066544
Reference	{Deposit:: FRAENKEL, M.O., DOS SANTOS, R.C., DE V. LAPIDO LOUREIRO, F.E., AND DE SENNA MUNIZ, W., 1985, JAZIDA DE URANIO NO PLANALTO DE POCOS DE CALDAS, MINAS GERAIS, IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS., SCHOBENHAUS, C., AND SILVA COELHO, C.E.: DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, V. I, P. 89-103.}{Deposit:: MINING MAGAZINE, 1982, V. 146, NO. 3 (MARCH), P. 190-191.}{Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 1693, P. 162-163.}{Deposit:: WRIGHT AND PITTMAN, 1979, NURE REPORT GJO-103 (79), P. 109-125.}{Other Database:: CIMRI}{Production:: FRAENKEL AND OTHERS (1985).}{Reserve-Resource:: MINING MAGAZINE (1982); WRIGHT AND PITTMAN (1979).}
Reporter	Leonard, Kenneth R.